xref: /openbmc/linux/include/uapi/linux/audit.h (revision 986d93f5)
1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2 /* audit.h -- Auditing support
3  *
4  * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina.
5  * All Rights Reserved.
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20  *
21  * Written by Rickard E. (Rik) Faith <faith@redhat.com>
22  *
23  */
24 
25 #ifndef _UAPI_LINUX_AUDIT_H_
26 #define _UAPI_LINUX_AUDIT_H_
27 
28 #include <linux/types.h>
29 #include <linux/elf-em.h>
30 
31 /* The netlink messages for the audit system is divided into blocks:
32  * 1000 - 1099 are for commanding the audit system
33  * 1100 - 1199 user space trusted application messages
34  * 1200 - 1299 messages internal to the audit daemon
35  * 1300 - 1399 audit event messages
36  * 1400 - 1499 SE Linux use
37  * 1500 - 1599 kernel LSPP events
38  * 1600 - 1699 kernel crypto events
39  * 1700 - 1799 kernel anomaly records
40  * 1800 - 1899 kernel integrity events
41  * 1900 - 1999 future kernel use
42  * 2000 is for otherwise unclassified kernel audit messages (legacy)
43  * 2001 - 2099 unused (kernel)
44  * 2100 - 2199 user space anomaly records
45  * 2200 - 2299 user space actions taken in response to anomalies
46  * 2300 - 2399 user space generated LSPP events
47  * 2400 - 2499 user space crypto events
48  * 2500 - 2999 future user space (maybe integrity labels and related events)
49  *
50  * Messages from 1000-1199 are bi-directional. 1200-1299 & 2100 - 2999 are
51  * exclusively user space. 1300-2099 is kernel --> user space
52  * communication.
53  */
54 #define AUDIT_GET		1000	/* Get status */
55 #define AUDIT_SET		1001	/* Set status (enable/disable/auditd) */
56 #define AUDIT_LIST		1002	/* List syscall rules -- deprecated */
57 #define AUDIT_ADD		1003	/* Add syscall rule -- deprecated */
58 #define AUDIT_DEL		1004	/* Delete syscall rule -- deprecated */
59 #define AUDIT_USER		1005	/* Message from userspace -- deprecated */
60 #define AUDIT_LOGIN		1006	/* Define the login id and information */
61 #define AUDIT_WATCH_INS		1007	/* Insert file/dir watch entry */
62 #define AUDIT_WATCH_REM		1008	/* Remove file/dir watch entry */
63 #define AUDIT_WATCH_LIST	1009	/* List all file/dir watches */
64 #define AUDIT_SIGNAL_INFO	1010	/* Get info about sender of signal to auditd */
65 #define AUDIT_ADD_RULE		1011	/* Add syscall filtering rule */
66 #define AUDIT_DEL_RULE		1012	/* Delete syscall filtering rule */
67 #define AUDIT_LIST_RULES	1013	/* List syscall filtering rules */
68 #define AUDIT_TRIM		1014	/* Trim junk from watched tree */
69 #define AUDIT_MAKE_EQUIV	1015	/* Append to watched tree */
70 #define AUDIT_TTY_GET		1016	/* Get TTY auditing status */
71 #define AUDIT_TTY_SET		1017	/* Set TTY auditing status */
72 #define AUDIT_SET_FEATURE	1018	/* Turn an audit feature on or off */
73 #define AUDIT_GET_FEATURE	1019	/* Get which features are enabled */
74 
75 #define AUDIT_FIRST_USER_MSG	1100	/* Userspace messages mostly uninteresting to kernel */
76 #define AUDIT_USER_AVC		1107	/* We filter this differently */
77 #define AUDIT_USER_TTY		1124	/* Non-ICANON TTY input meaning */
78 #define AUDIT_LAST_USER_MSG	1199
79 #define AUDIT_FIRST_USER_MSG2	2100	/* More user space messages */
80 #define AUDIT_LAST_USER_MSG2	2999
81 
82 #define AUDIT_DAEMON_START      1200    /* Daemon startup record */
83 #define AUDIT_DAEMON_END        1201    /* Daemon normal stop record */
84 #define AUDIT_DAEMON_ABORT      1202    /* Daemon error stop record */
85 #define AUDIT_DAEMON_CONFIG     1203    /* Daemon config change */
86 
87 #define AUDIT_SYSCALL		1300	/* Syscall event */
88 /* #define AUDIT_FS_WATCH	1301	 * Deprecated */
89 #define AUDIT_PATH		1302	/* Filename path information */
90 #define AUDIT_IPC		1303	/* IPC record */
91 #define AUDIT_SOCKETCALL	1304	/* sys_socketcall arguments */
92 #define AUDIT_CONFIG_CHANGE	1305	/* Audit system configuration change */
93 #define AUDIT_SOCKADDR		1306	/* sockaddr copied as syscall arg */
94 #define AUDIT_CWD		1307	/* Current working directory */
95 #define AUDIT_EXECVE		1309	/* execve arguments */
96 #define AUDIT_IPC_SET_PERM	1311	/* IPC new permissions record type */
97 #define AUDIT_MQ_OPEN		1312	/* POSIX MQ open record type */
98 #define AUDIT_MQ_SENDRECV	1313	/* POSIX MQ send/receive record type */
99 #define AUDIT_MQ_NOTIFY		1314	/* POSIX MQ notify record type */
100 #define AUDIT_MQ_GETSETATTR	1315	/* POSIX MQ get/set attribute record type */
101 #define AUDIT_KERNEL_OTHER	1316	/* For use by 3rd party modules */
102 #define AUDIT_FD_PAIR		1317    /* audit record for pipe/socketpair */
103 #define AUDIT_OBJ_PID		1318	/* ptrace target */
104 #define AUDIT_TTY		1319	/* Input on an administrative TTY */
105 #define AUDIT_EOE		1320	/* End of multi-record event */
106 #define AUDIT_BPRM_FCAPS	1321	/* Information about fcaps increasing perms */
107 #define AUDIT_CAPSET		1322	/* Record showing argument to sys_capset */
108 #define AUDIT_MMAP		1323	/* Record showing descriptor and flags in mmap */
109 #define AUDIT_NETFILTER_PKT	1324	/* Packets traversing netfilter chains */
110 #define AUDIT_NETFILTER_CFG	1325	/* Netfilter chain modifications */
111 #define AUDIT_SECCOMP		1326	/* Secure Computing event */
112 #define AUDIT_PROCTITLE		1327	/* Proctitle emit event */
113 #define AUDIT_FEATURE_CHANGE	1328	/* audit log listing feature changes */
114 #define AUDIT_REPLACE		1329	/* Replace auditd if this packet unanswerd */
115 #define AUDIT_KERN_MODULE	1330	/* Kernel Module events */
116 #define AUDIT_FANOTIFY		1331	/* Fanotify access decision */
117 #define AUDIT_TIME_INJOFFSET	1332	/* Timekeeping offset injected */
118 #define AUDIT_TIME_ADJNTPVAL	1333	/* NTP value adjustment */
119 #define AUDIT_BPF		1334	/* BPF subsystem */
120 #define AUDIT_EVENT_LISTENER	1335	/* Task joined multicast read socket */
121 #define AUDIT_URINGOP		1336	/* io_uring operation */
122 #define AUDIT_OPENAT2		1337	/* Record showing openat2 how args */
123 #define AUDIT_DM_CTRL		1338	/* Device Mapper target control */
124 #define AUDIT_DM_EVENT		1339	/* Device Mapper events */
125 
126 #define AUDIT_AVC		1400	/* SE Linux avc denial or grant */
127 #define AUDIT_SELINUX_ERR	1401	/* Internal SE Linux Errors */
128 #define AUDIT_AVC_PATH		1402	/* dentry, vfsmount pair from avc */
129 #define AUDIT_MAC_POLICY_LOAD	1403	/* Policy file load */
130 #define AUDIT_MAC_STATUS	1404	/* Changed enforcing,permissive,off */
131 #define AUDIT_MAC_CONFIG_CHANGE	1405	/* Changes to booleans */
132 #define AUDIT_MAC_UNLBL_ALLOW	1406	/* NetLabel: allow unlabeled traffic */
133 #define AUDIT_MAC_CIPSOV4_ADD	1407	/* NetLabel: add CIPSOv4 DOI entry */
134 #define AUDIT_MAC_CIPSOV4_DEL	1408	/* NetLabel: del CIPSOv4 DOI entry */
135 #define AUDIT_MAC_MAP_ADD	1409	/* NetLabel: add LSM domain mapping */
136 #define AUDIT_MAC_MAP_DEL	1410	/* NetLabel: del LSM domain mapping */
137 #define AUDIT_MAC_IPSEC_ADDSA	1411	/* Not used */
138 #define AUDIT_MAC_IPSEC_DELSA	1412	/* Not used  */
139 #define AUDIT_MAC_IPSEC_ADDSPD	1413	/* Not used */
140 #define AUDIT_MAC_IPSEC_DELSPD	1414	/* Not used */
141 #define AUDIT_MAC_IPSEC_EVENT	1415	/* Audit an IPSec event */
142 #define AUDIT_MAC_UNLBL_STCADD	1416	/* NetLabel: add a static label */
143 #define AUDIT_MAC_UNLBL_STCDEL	1417	/* NetLabel: del a static label */
144 #define AUDIT_MAC_CALIPSO_ADD	1418	/* NetLabel: add CALIPSO DOI entry */
145 #define AUDIT_MAC_CALIPSO_DEL	1419	/* NetLabel: del CALIPSO DOI entry */
146 
147 #define AUDIT_FIRST_KERN_ANOM_MSG   1700
148 #define AUDIT_LAST_KERN_ANOM_MSG    1799
149 #define AUDIT_ANOM_PROMISCUOUS      1700 /* Device changed promiscuous mode */
150 #define AUDIT_ANOM_ABEND            1701 /* Process ended abnormally */
151 #define AUDIT_ANOM_LINK		    1702 /* Suspicious use of file links */
152 #define AUDIT_ANOM_CREAT	    1703 /* Suspicious file creation */
153 #define AUDIT_INTEGRITY_DATA	    1800 /* Data integrity verification */
154 #define AUDIT_INTEGRITY_METADATA    1801 /* Metadata integrity verification */
155 #define AUDIT_INTEGRITY_STATUS	    1802 /* Integrity enable status */
156 #define AUDIT_INTEGRITY_HASH	    1803 /* Integrity HASH type */
157 #define AUDIT_INTEGRITY_PCR	    1804 /* PCR invalidation msgs */
158 #define AUDIT_INTEGRITY_RULE	    1805 /* policy rule */
159 #define AUDIT_INTEGRITY_EVM_XATTR   1806 /* New EVM-covered xattr */
160 #define AUDIT_INTEGRITY_POLICY_RULE 1807 /* IMA policy rules */
161 
162 #define AUDIT_KERNEL		2000	/* Asynchronous audit record. NOT A REQUEST. */
163 
164 /* Rule flags */
165 #define AUDIT_FILTER_USER	0x00	/* Apply rule to user-generated messages */
166 #define AUDIT_FILTER_TASK	0x01	/* Apply rule at task creation (not syscall) */
167 #define AUDIT_FILTER_ENTRY	0x02	/* Apply rule at syscall entry */
168 #define AUDIT_FILTER_WATCH	0x03	/* Apply rule to file system watches */
169 #define AUDIT_FILTER_EXIT	0x04	/* Apply rule at syscall exit */
170 #define AUDIT_FILTER_EXCLUDE	0x05	/* Apply rule before record creation */
171 #define AUDIT_FILTER_TYPE	AUDIT_FILTER_EXCLUDE /* obsolete misleading naming */
172 #define AUDIT_FILTER_FS		0x06	/* Apply rule at __audit_inode_child */
173 #define AUDIT_FILTER_URING_EXIT	0x07	/* Apply rule at io_uring op exit */
174 
175 #define AUDIT_NR_FILTERS	8
176 
177 #define AUDIT_FILTER_PREPEND	0x10	/* Prepend to front of list */
178 
179 /* Rule actions */
180 #define AUDIT_NEVER    0	/* Do not build context if rule matches */
181 #define AUDIT_POSSIBLE 1	/* Build context if rule matches  */
182 #define AUDIT_ALWAYS   2	/* Generate audit record if rule matches */
183 
184 /* Rule structure sizes -- if these change, different AUDIT_ADD and
185  * AUDIT_LIST commands must be implemented. */
186 #define AUDIT_MAX_FIELDS   64
187 #define AUDIT_MAX_KEY_LEN  256
188 #define AUDIT_BITMASK_SIZE 64
189 #define AUDIT_WORD(nr) ((__u32)((nr)/32))
190 #define AUDIT_BIT(nr)  (1U << ((nr) - AUDIT_WORD(nr)*32))
191 
192 #define AUDIT_SYSCALL_CLASSES 16
193 #define AUDIT_CLASS_DIR_WRITE 0
194 #define AUDIT_CLASS_DIR_WRITE_32 1
195 #define AUDIT_CLASS_CHATTR 2
196 #define AUDIT_CLASS_CHATTR_32 3
197 #define AUDIT_CLASS_READ 4
198 #define AUDIT_CLASS_READ_32 5
199 #define AUDIT_CLASS_WRITE 6
200 #define AUDIT_CLASS_WRITE_32 7
201 #define AUDIT_CLASS_SIGNAL 8
202 #define AUDIT_CLASS_SIGNAL_32 9
203 
204 /* This bitmask is used to validate user input.  It represents all bits that
205  * are currently used in an audit field constant understood by the kernel.
206  * If you are adding a new #define AUDIT_<whatever>, please ensure that
207  * AUDIT_UNUSED_BITS is updated if need be. */
208 #define AUDIT_UNUSED_BITS	0x07FFFC00
209 
210 /* AUDIT_FIELD_COMPARE rule list */
211 #define AUDIT_COMPARE_UID_TO_OBJ_UID	1
212 #define AUDIT_COMPARE_GID_TO_OBJ_GID	2
213 #define AUDIT_COMPARE_EUID_TO_OBJ_UID	3
214 #define AUDIT_COMPARE_EGID_TO_OBJ_GID	4
215 #define AUDIT_COMPARE_AUID_TO_OBJ_UID	5
216 #define AUDIT_COMPARE_SUID_TO_OBJ_UID	6
217 #define AUDIT_COMPARE_SGID_TO_OBJ_GID	7
218 #define AUDIT_COMPARE_FSUID_TO_OBJ_UID	8
219 #define AUDIT_COMPARE_FSGID_TO_OBJ_GID	9
220 
221 #define AUDIT_COMPARE_UID_TO_AUID	10
222 #define AUDIT_COMPARE_UID_TO_EUID	11
223 #define AUDIT_COMPARE_UID_TO_FSUID	12
224 #define AUDIT_COMPARE_UID_TO_SUID	13
225 
226 #define AUDIT_COMPARE_AUID_TO_FSUID	14
227 #define AUDIT_COMPARE_AUID_TO_SUID	15
228 #define AUDIT_COMPARE_AUID_TO_EUID	16
229 
230 #define AUDIT_COMPARE_EUID_TO_SUID	17
231 #define AUDIT_COMPARE_EUID_TO_FSUID	18
232 
233 #define AUDIT_COMPARE_SUID_TO_FSUID	19
234 
235 #define AUDIT_COMPARE_GID_TO_EGID	20
236 #define AUDIT_COMPARE_GID_TO_FSGID	21
237 #define AUDIT_COMPARE_GID_TO_SGID	22
238 
239 #define AUDIT_COMPARE_EGID_TO_FSGID	23
240 #define AUDIT_COMPARE_EGID_TO_SGID	24
241 #define AUDIT_COMPARE_SGID_TO_FSGID	25
242 
243 #define AUDIT_MAX_FIELD_COMPARE		AUDIT_COMPARE_SGID_TO_FSGID
244 
245 /* Rule fields */
246 				/* These are useful when checking the
247 				 * task structure at task creation time
248 				 * (AUDIT_PER_TASK).  */
249 #define AUDIT_PID	0
250 #define AUDIT_UID	1
251 #define AUDIT_EUID	2
252 #define AUDIT_SUID	3
253 #define AUDIT_FSUID	4
254 #define AUDIT_GID	5
255 #define AUDIT_EGID	6
256 #define AUDIT_SGID	7
257 #define AUDIT_FSGID	8
258 #define AUDIT_LOGINUID	9
259 #define AUDIT_PERS	10
260 #define AUDIT_ARCH	11
261 #define AUDIT_MSGTYPE	12
262 #define AUDIT_SUBJ_USER	13	/* security label user */
263 #define AUDIT_SUBJ_ROLE	14	/* security label role */
264 #define AUDIT_SUBJ_TYPE	15	/* security label type */
265 #define AUDIT_SUBJ_SEN	16	/* security label sensitivity label */
266 #define AUDIT_SUBJ_CLR	17	/* security label clearance label */
267 #define AUDIT_PPID	18
268 #define AUDIT_OBJ_USER	19
269 #define AUDIT_OBJ_ROLE	20
270 #define AUDIT_OBJ_TYPE	21
271 #define AUDIT_OBJ_LEV_LOW	22
272 #define AUDIT_OBJ_LEV_HIGH	23
273 #define AUDIT_LOGINUID_SET	24
274 #define AUDIT_SESSIONID	25	/* Session ID */
275 #define AUDIT_FSTYPE	26	/* FileSystem Type */
276 
277 				/* These are ONLY useful when checking
278 				 * at syscall exit time (AUDIT_AT_EXIT). */
279 #define AUDIT_DEVMAJOR	100
280 #define AUDIT_DEVMINOR	101
281 #define AUDIT_INODE	102
282 #define AUDIT_EXIT	103
283 #define AUDIT_SUCCESS   104	/* exit >= 0; value ignored */
284 #define AUDIT_WATCH	105
285 #define AUDIT_PERM	106
286 #define AUDIT_DIR	107
287 #define AUDIT_FILETYPE	108
288 #define AUDIT_OBJ_UID	109
289 #define AUDIT_OBJ_GID	110
290 #define AUDIT_FIELD_COMPARE	111
291 #define AUDIT_EXE	112
292 #define AUDIT_SADDR_FAM	113
293 
294 #define AUDIT_ARG0      200
295 #define AUDIT_ARG1      (AUDIT_ARG0+1)
296 #define AUDIT_ARG2      (AUDIT_ARG0+2)
297 #define AUDIT_ARG3      (AUDIT_ARG0+3)
298 
299 #define AUDIT_FILTERKEY	210
300 
301 #define AUDIT_NEGATE			0x80000000
302 
303 /* These are the supported operators.
304  *	4  2  1  8
305  *	=  >  <  ?
306  *	----------
307  *	0  0  0	 0	00	nonsense
308  *	0  0  0	 1	08	&  bit mask
309  *	0  0  1	 0	10	<
310  *	0  1  0	 0	20	>
311  *	0  1  1	 0	30	!=
312  *	1  0  0	 0	40	=
313  *	1  0  0	 1	48	&=  bit test
314  *	1  0  1	 0	50	<=
315  *	1  1  0	 0	60	>=
316  *	1  1  1	 1	78	all operators
317  */
318 #define AUDIT_BIT_MASK			0x08000000
319 #define AUDIT_LESS_THAN			0x10000000
320 #define AUDIT_GREATER_THAN		0x20000000
321 #define AUDIT_NOT_EQUAL			0x30000000
322 #define AUDIT_EQUAL			0x40000000
323 #define AUDIT_BIT_TEST			(AUDIT_BIT_MASK|AUDIT_EQUAL)
324 #define AUDIT_LESS_THAN_OR_EQUAL	(AUDIT_LESS_THAN|AUDIT_EQUAL)
325 #define AUDIT_GREATER_THAN_OR_EQUAL	(AUDIT_GREATER_THAN|AUDIT_EQUAL)
326 #define AUDIT_OPERATORS			(AUDIT_EQUAL|AUDIT_NOT_EQUAL|AUDIT_BIT_MASK)
327 
328 enum {
329 	Audit_equal,
330 	Audit_not_equal,
331 	Audit_bitmask,
332 	Audit_bittest,
333 	Audit_lt,
334 	Audit_gt,
335 	Audit_le,
336 	Audit_ge,
337 	Audit_bad
338 };
339 
340 /* Status symbols */
341 						/* Mask values */
342 #define AUDIT_STATUS_ENABLED			0x0001
343 #define AUDIT_STATUS_FAILURE			0x0002
344 #define AUDIT_STATUS_PID			0x0004
345 #define AUDIT_STATUS_RATE_LIMIT		0x0008
346 #define AUDIT_STATUS_BACKLOG_LIMIT		0x0010
347 #define AUDIT_STATUS_BACKLOG_WAIT_TIME		0x0020
348 #define AUDIT_STATUS_LOST			0x0040
349 #define AUDIT_STATUS_BACKLOG_WAIT_TIME_ACTUAL	0x0080
350 
351 #define AUDIT_FEATURE_BITMAP_BACKLOG_LIMIT	0x00000001
352 #define AUDIT_FEATURE_BITMAP_BACKLOG_WAIT_TIME	0x00000002
353 #define AUDIT_FEATURE_BITMAP_EXECUTABLE_PATH	0x00000004
354 #define AUDIT_FEATURE_BITMAP_EXCLUDE_EXTEND	0x00000008
355 #define AUDIT_FEATURE_BITMAP_SESSIONID_FILTER	0x00000010
356 #define AUDIT_FEATURE_BITMAP_LOST_RESET		0x00000020
357 #define AUDIT_FEATURE_BITMAP_FILTER_FS		0x00000040
358 
359 #define AUDIT_FEATURE_BITMAP_ALL (AUDIT_FEATURE_BITMAP_BACKLOG_LIMIT | \
360 				  AUDIT_FEATURE_BITMAP_BACKLOG_WAIT_TIME | \
361 				  AUDIT_FEATURE_BITMAP_EXECUTABLE_PATH | \
362 				  AUDIT_FEATURE_BITMAP_EXCLUDE_EXTEND | \
363 				  AUDIT_FEATURE_BITMAP_SESSIONID_FILTER | \
364 				  AUDIT_FEATURE_BITMAP_LOST_RESET | \
365 				  AUDIT_FEATURE_BITMAP_FILTER_FS)
366 
367 /* deprecated: AUDIT_VERSION_* */
368 #define AUDIT_VERSION_LATEST 		AUDIT_FEATURE_BITMAP_ALL
369 #define AUDIT_VERSION_BACKLOG_LIMIT	AUDIT_FEATURE_BITMAP_BACKLOG_LIMIT
370 #define AUDIT_VERSION_BACKLOG_WAIT_TIME	AUDIT_FEATURE_BITMAP_BACKLOG_WAIT_TIME
371 
372 				/* Failure-to-log actions */
373 #define AUDIT_FAIL_SILENT	0
374 #define AUDIT_FAIL_PRINTK	1
375 #define AUDIT_FAIL_PANIC	2
376 
377 /*
378  * These bits disambiguate different calling conventions that share an
379  * ELF machine type, bitness, and endianness
380  */
381 #define __AUDIT_ARCH_CONVENTION_MASK 0x30000000
382 #define __AUDIT_ARCH_CONVENTION_MIPS64_N32 0x20000000
383 
384 /* distinguish syscall tables */
385 #define __AUDIT_ARCH_64BIT 0x80000000
386 #define __AUDIT_ARCH_LE	   0x40000000
387 
388 #define AUDIT_ARCH_AARCH64	(EM_AARCH64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
389 #define AUDIT_ARCH_ALPHA	(EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
390 #define AUDIT_ARCH_ARCOMPACT	(EM_ARCOMPACT|__AUDIT_ARCH_LE)
391 #define AUDIT_ARCH_ARCOMPACTBE	(EM_ARCOMPACT)
392 #define AUDIT_ARCH_ARCV2	(EM_ARCV2|__AUDIT_ARCH_LE)
393 #define AUDIT_ARCH_ARCV2BE	(EM_ARCV2)
394 #define AUDIT_ARCH_ARM		(EM_ARM|__AUDIT_ARCH_LE)
395 #define AUDIT_ARCH_ARMEB	(EM_ARM)
396 #define AUDIT_ARCH_C6X		(EM_TI_C6000|__AUDIT_ARCH_LE)
397 #define AUDIT_ARCH_C6XBE	(EM_TI_C6000)
398 #define AUDIT_ARCH_CRIS		(EM_CRIS|__AUDIT_ARCH_LE)
399 #define AUDIT_ARCH_CSKY		(EM_CSKY|__AUDIT_ARCH_LE)
400 #define AUDIT_ARCH_FRV		(EM_FRV)
401 #define AUDIT_ARCH_H8300	(EM_H8_300)
402 #define AUDIT_ARCH_HEXAGON	(EM_HEXAGON)
403 #define AUDIT_ARCH_I386		(EM_386|__AUDIT_ARCH_LE)
404 #define AUDIT_ARCH_IA64		(EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
405 #define AUDIT_ARCH_M32R		(EM_M32R)
406 #define AUDIT_ARCH_M68K		(EM_68K)
407 #define AUDIT_ARCH_MICROBLAZE	(EM_MICROBLAZE)
408 #define AUDIT_ARCH_MIPS		(EM_MIPS)
409 #define AUDIT_ARCH_MIPSEL	(EM_MIPS|__AUDIT_ARCH_LE)
410 #define AUDIT_ARCH_MIPS64	(EM_MIPS|__AUDIT_ARCH_64BIT)
411 #define AUDIT_ARCH_MIPS64N32	(EM_MIPS|__AUDIT_ARCH_64BIT|\
412 				 __AUDIT_ARCH_CONVENTION_MIPS64_N32)
413 #define AUDIT_ARCH_MIPSEL64	(EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
414 #define AUDIT_ARCH_MIPSEL64N32	(EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE|\
415 				 __AUDIT_ARCH_CONVENTION_MIPS64_N32)
416 #define AUDIT_ARCH_NDS32	(EM_NDS32|__AUDIT_ARCH_LE)
417 #define AUDIT_ARCH_NDS32BE	(EM_NDS32)
418 #define AUDIT_ARCH_NIOS2	(EM_ALTERA_NIOS2|__AUDIT_ARCH_LE)
419 #define AUDIT_ARCH_OPENRISC	(EM_OPENRISC)
420 #define AUDIT_ARCH_PARISC	(EM_PARISC)
421 #define AUDIT_ARCH_PARISC64	(EM_PARISC|__AUDIT_ARCH_64BIT)
422 #define AUDIT_ARCH_PPC		(EM_PPC)
423 /* do not define AUDIT_ARCH_PPCLE since it is not supported by audit */
424 #define AUDIT_ARCH_PPC64	(EM_PPC64|__AUDIT_ARCH_64BIT)
425 #define AUDIT_ARCH_PPC64LE	(EM_PPC64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
426 #define AUDIT_ARCH_RISCV32	(EM_RISCV|__AUDIT_ARCH_LE)
427 #define AUDIT_ARCH_RISCV64	(EM_RISCV|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
428 #define AUDIT_ARCH_S390		(EM_S390)
429 #define AUDIT_ARCH_S390X	(EM_S390|__AUDIT_ARCH_64BIT)
430 #define AUDIT_ARCH_SH		(EM_SH)
431 #define AUDIT_ARCH_SHEL		(EM_SH|__AUDIT_ARCH_LE)
432 #define AUDIT_ARCH_SH64		(EM_SH|__AUDIT_ARCH_64BIT)
433 #define AUDIT_ARCH_SHEL64	(EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
434 #define AUDIT_ARCH_SPARC	(EM_SPARC)
435 #define AUDIT_ARCH_SPARC64	(EM_SPARCV9|__AUDIT_ARCH_64BIT)
436 #define AUDIT_ARCH_TILEGX	(EM_TILEGX|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
437 #define AUDIT_ARCH_TILEGX32	(EM_TILEGX|__AUDIT_ARCH_LE)
438 #define AUDIT_ARCH_TILEPRO	(EM_TILEPRO|__AUDIT_ARCH_LE)
439 #define AUDIT_ARCH_UNICORE	(EM_UNICORE|__AUDIT_ARCH_LE)
440 #define AUDIT_ARCH_X86_64	(EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
441 #define AUDIT_ARCH_XTENSA	(EM_XTENSA)
442 #define AUDIT_ARCH_LOONGARCH32	(EM_LOONGARCH|__AUDIT_ARCH_LE)
443 #define AUDIT_ARCH_LOONGARCH64	(EM_LOONGARCH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
444 
445 #define AUDIT_PERM_EXEC		1
446 #define AUDIT_PERM_WRITE	2
447 #define AUDIT_PERM_READ		4
448 #define AUDIT_PERM_ATTR		8
449 
450 /* MAX_AUDIT_MESSAGE_LENGTH is set in audit:lib/libaudit.h as:
451  * 8970 // PATH_MAX*2+CONTEXT_SIZE*2+11+256+1
452  * max header+body+tailer: 44 + 29 + 32 + 262 + 7 + pad
453  */
454 #define AUDIT_MESSAGE_TEXT_MAX	8560
455 
456 /* Multicast Netlink socket groups (default up to 32) */
457 enum audit_nlgrps {
458 	AUDIT_NLGRP_NONE,	/* Group 0 not used */
459 	AUDIT_NLGRP_READLOG,	/* "best effort" read only socket */
460 	__AUDIT_NLGRP_MAX
461 };
462 #define AUDIT_NLGRP_MAX                (__AUDIT_NLGRP_MAX - 1)
463 
464 struct audit_status {
465 	__u32		mask;		/* Bit mask for valid entries */
466 	__u32		enabled;	/* 1 = enabled, 0 = disabled */
467 	__u32		failure;	/* Failure-to-log action */
468 	__u32		pid;		/* pid of auditd process */
469 	__u32		rate_limit;	/* messages rate limit (per second) */
470 	__u32		backlog_limit;	/* waiting messages limit */
471 	__u32		lost;		/* messages lost */
472 	__u32		backlog;	/* messages waiting in queue */
473 	union {
474 		__u32	version;	/* deprecated: audit api version num */
475 		__u32	feature_bitmap;	/* bitmap of kernel audit features */
476 	};
477 	__u32		backlog_wait_time;/* message queue wait timeout */
478 	__u32           backlog_wait_time_actual;/* time spent waiting while
479 						  * message limit exceeded
480 						  */
481 };
482 
483 struct audit_features {
484 #define AUDIT_FEATURE_VERSION	1
485 	__u32	vers;
486 	__u32	mask;		/* which bits we are dealing with */
487 	__u32	features;	/* which feature to enable/disable */
488 	__u32	lock;		/* which features to lock */
489 };
490 
491 #define AUDIT_FEATURE_ONLY_UNSET_LOGINUID	0
492 #define AUDIT_FEATURE_LOGINUID_IMMUTABLE	1
493 #define AUDIT_LAST_FEATURE			AUDIT_FEATURE_LOGINUID_IMMUTABLE
494 
495 #define audit_feature_valid(x)		((x) >= 0 && (x) <= AUDIT_LAST_FEATURE)
496 #define AUDIT_FEATURE_TO_MASK(x)	(1 << ((x) & 31)) /* mask for __u32 */
497 
498 struct audit_tty_status {
499 	__u32		enabled;	/* 1 = enabled, 0 = disabled */
500 	__u32		log_passwd;	/* 1 = enabled, 0 = disabled */
501 };
502 
503 #define AUDIT_UID_UNSET (unsigned int)-1
504 #define AUDIT_SID_UNSET ((unsigned int)-1)
505 
506 /* audit_rule_data supports filter rules with both integer and string
507  * fields.  It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and
508  * AUDIT_LIST_RULES requests.
509  */
510 struct audit_rule_data {
511 	__u32		flags;	/* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */
512 	__u32		action;	/* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */
513 	__u32		field_count;
514 	__u32		mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */
515 	__u32		fields[AUDIT_MAX_FIELDS];
516 	__u32		values[AUDIT_MAX_FIELDS];
517 	__u32		fieldflags[AUDIT_MAX_FIELDS];
518 	__u32		buflen;	/* total length of string fields */
519 	char		buf[];	/* string fields buffer */
520 };
521 
522 #endif /* _UAPI_LINUX_AUDIT_H_ */
523